Zinc oxide Nanorods are grown by hydrothermal method on seed layer of ZnO for various deposition times at low temperature. The seed layers were deposited on soda lime glass by RF Sputtering with 100 nm of thickness. This study aimed to investigate the influence of deposition time of ZnO Nanorods on the photodegradation of Methylene Blue. It is well known that the experiment conditions control the growth of ZnO NRs. The crystalline structure of ZnO NRs was studied by means of X-ray diffraction

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... d shows that the ZnO NRs obtained are primally well aligned and perpendicular to the substrate. Moreover, ZnO nanorods can be grown with a strong orientation along (101) and exhibit a wurtzite crystal structure in an XRD spectrum and possessed a high crystal quality. İn addition the strong relative intensity of the (002) lines reveals a texture effect of the arrays consistent with c-axis oriented nanorods. The Photocatalysis activity has more efficiency when the deposition times decrease.